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<?php |
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/* |
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Plugin Name: En Spam |
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Description: Block Spam with Cookies and JavaScript Filtering. |
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Plugin URI: http://hatul.info/en-spam |
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Version: 1.1 |
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Author: Hatul |
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Author URI: http://hatul.info |
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License: GPL http://www.gnu.org/copyleft/gpl.html |
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*/ |
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|
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class EnSpam { |
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public function __construct() { |
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// Load text domain |
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load_plugin_textdomain('en-spam', false, dirname(plugin_basename(__FILE__))); |
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|
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// Add hooks |
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add_filter('preprocess_comment', [$this, 'check_comment']); |
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add_action('wp_enqueue_scripts', [$this, 'enqueue_scripts']); |
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add_action('wp_dashboard_setup', [$this, 'add_dashboard_widgets']); |
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add_action('wpcf7_before_send_mail', [$this, 'check_cf7'], 10, 3); |
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add_action('elementor_pro/forms/validation', [$this, 'check_elementor_form'], 10, 2); |
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} |
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|
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public function check_comment($comment) { |
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if ($this->valid_no_bot() || wp_verify_nonce($_POST['code'], 'en-spam')) { |
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$comment['comment_content'] = stripcslashes($comment['comment_content']); |
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return $comment; |
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} else { |
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$this->block_page(); |
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} |
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} |
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|
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private function block_page() { |
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$this->count_block(); |
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$message = sprintf( |
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__('For to post comment, you need to enable cookies and JavaScript or to click on "%s" button in this page', 'en-spam'), |
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__('Post Comment') |
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); |
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$message .= '<form method="post">'; |
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foreach ($_POST as $name => $value) { |
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if ($name === 'comment') { |
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$message .= sprintf('<label for="comment">%s</label><br /><textarea id="comment" name="comment">%s</textarea><br />', __('Your comment:', 'en-spam'), $value); |
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} else { |
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$message .= sprintf('<input type="hidden" name="%s" value="%s" />', $name, stripcslashes($value)); |
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} |
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} |
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$message .= sprintf('<input type="hidden" name="code" value="%s" />', wp_create_nonce('en-spam')); |
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$message .= sprintf('<input type="submit" name="submit" value="%s" />', __('Post Comment')); |
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$message .= '</form>'; |
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|
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wp_die($message); |
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} |
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|
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private function count_block() { |
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$counter = get_option('ens_counter', 0) + 1; |
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update_option('ens_counter', $counter); |
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} |
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|
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public function enqueue_scripts() { |
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wp_enqueue_script('en-spam', plugins_url('en-spam.js', __FILE__)); |
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} |
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|
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public function add_dashboard_widgets() { |
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wp_add_dashboard_widget( |
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'en_spam_dashboard_widget', |
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__('Blocked Spambots by En Spam', 'en-spam'), |
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[$this, 'dashboard_widget_function'] |
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); |
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} |
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|
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public function dashboard_widget_function() { |
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echo get_option('ens_counter', 0); |
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} |
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|
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public function valid_no_bot() { |
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return isset($_COOKIE['comment_author_email_' . COOKIEHASH]) |
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|| is_user_logged_in() |
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|| isset($_COOKIE['en_spam_validate']); |
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} |
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|
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public function check_cf7($form, &$abort, $submission) { |
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if (!$this->valid_no_bot()) { |
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$abort = true; |
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$submission->set_status('validation_failed'); |
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$submission->set_response($form->filter_message(__('Enable JavaScript and cookies', 'en-spam'))); |
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|
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$this->count_block(); |
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} |
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} |
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|
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public function check_elementor_form($record, $ajax_handler) { |
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if (!$this->valid_no_bot()) { |
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$ajax_handler->add_error('email', __('Enable JavaScript and cookies', 'en-spam')); // Replace 'email' with the actual field ID |
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$ajax_handler->add_error_message(__('Enable JavaScript and cookies', 'en-spam')); |
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|
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$this->count_block(); |
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} |
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} |
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} |
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|
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// Initialize the plugin |
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new EnSpam(); |
